Associate Director, Biostatistics

At RayzeBio, every day is an opportunity to ignite meaningful change. As a wholly-owned subsidiary of Bristol Myers Squibb, RayzeBio blends the nimble, pioneering spirit of an emergent biotech with the global expertise and resources of a leading innovator in oncology. Our mission is to develop transformative radiopharmaceutical therapies that offer new hope for patients living with cancer. Here, you’ll join a multidisciplinary team where your ideas are valued, your expertise is amplified, and collaboration is at the heart of everything we do. From day one, expect to make an immediate impact—on our science, on our teams, and most importantly, on patients. Learn more about RayzeBio:

Job Title: Associate Director, Biostatistics

San Diego, California

On Site Hybrid Work Schedule

Summary

The Associate Director of Biostatistics at RayzeBio will play a crucial role in guiding the design, execution, and interpretation of statistical analyses for clinical trials, with the overarching goal of facilitating the successful development of innovative radiopharmaceutical therapies. This position requires not only a deep understanding of biostatistical methodologies but also the ability to provide strategic guidance and expert insights throughout the drug development process.

Job Responsibilities

· Serve as the lead biostatistician for clinical oncology projects, developing and executing statistical strategies, study designs, and analyses.

· Collaborate closely with multidisciplinary project teams to ensure timely communication and alignment of objectives.

· Identify and implement solutions to statistical and data analysis issues related to clinical trials and regulatory submissions.

· Author/own key statistical documents and outputs, including protocol statistical sections, SAPs, and TLF shells.

· Review study-related documents and review/validate vendor deliverables, including CDISC data specifications and TLF/analysis outputs.

· Work with internal programmers to support regulatory requests, DSUR/IB updates, and ad-hoc analyses as needed.

· Participate in the internal sponsor review of ongoing clinical data.

· Partner with the Biometrics AI lead and internal/external stakeholders to explore and pilot AI initiatives that enhance quality control and operational efficiency.

Requirements:

• Ability to work on site in our San Diego Office working Hybrid Work Schedule.

• Willing to travel approximately 10% of the time. Evening and weekend work will be involved.

• Excellent interpersonal and communication skills, with the ability to influence cross-functional stakeholders.

• Able to function in a highly regulated environment and to adhere to all RayzeBio guidelines and SOPs.

• Familiarity with statistical programming tools (e.g., SAS and/or R) and working knowledge of CDISC standards (SDTM/ADaM), with the ability to review and interpret key statistical outputs.

• Demonstrated ability to oversee vendors and ensure the quality, timeliness, and compliance of biometrics deliverables.

• Solid understanding of GCP, ICH guidelines, and regulatory requirements.

• Advanced degree in Statistics or Biostatistics (PhD or MS).

• 6+ years (PhD) or 8+ years (MS) of biostatistics experience in the pharmaceutical/biotech industry.

• Experience utilizing AI-enabled tools to improve productivity and work efficiency.

• Experience with innovative/novel clinical trial designs (e.g., adaptive designs).· Experience applying Bayesian methods in a clinical development setting.

• Preferred:

• · Prior experience in oncology clinical development.

• Work Environment

• · The noise level in the work environment is usually moderate.

If you come across a role that intrigues you but doesn’t perfectly line up with your resume, we encourage you to apply anyway. You could be one step away from work that will transform your life and career.

Compensation Overview:

San Diego - RayzeBio - CA: $190,539 - $230,888

The starting compensation range(s) for this role are listed above for a full-time employee (FTE) basis. Additional incentive cash and stock opportunities (based on eligibility) may be available. The starting pay rate takes into account characteristics of the job, such as required skills, where the job is performed, the employee’s work schedule, job-related knowledge, and experience. Final, individual compensation will be decided based on demonstrated experience.

Eligibility for specific benefits listed on our careers site may vary based on the job and location. For more on benefits, please visit

Benefit offerings are subject to the terms and conditions of the applicable plans in effect at the time and may require enrollment. Our benefits include:

• Health Coverage: Medical, pharmacy, dental, and vision care.

• Wellbeing Support: Programs such as BMS Well-Being Account, BMS Living Life Better, and Employee Assistance Programs (EAP).

• Financial Well-being and Protection: 401(k) plan, short- and long-term disability, life insurance, accident insurance, supplemental health insurance, business travel protection, personal liability protection, identity theft benefit, legal support, and survivor support.

​ Work-life benefits include:

Paid Time Off

• US Exempt Employees: flexible time off (unlimited, with manager approval, 11 paid national holidays (not applicable to employees in Phoenix, AZ, Puerto Rico or Rayzebio employees)

• Phoenix, AZ, Puerto Rico and Rayzebio Exempt, Non-Exempt, Hourly Employees: 160 hours annual paid vacation for new hires with manager approval, 11 national holidays, and 3 optional holidays

Based on eligibility*, additional time off for employees may include unlimited paid sick time, up to 2 paid volunteer days per year, summer hours flexibility, leaves of absence for medical, personal, parental, caregiver, bereavement, and military needs and an annual Global Shutdown between Christmas and New Years Day.

All global employees full and part-time who are actively employed at and paid directly by BMS at the end of the calendar year are eligible to take advantage of the Global Shutdown.

*Eligibility Disclosure: T he summer hours program is for United States (U.S.) office-based employees due to the unique nature of their work. Summer hours are generally not available for field sales and manufacturing operations and may also be limited for the capability centers. Employees in remote-by-design or lab-based roles may be eligible for summer hours, depending on the nature of their work, and should discuss eligibility with their manager. Employees covered under a collective bargaining agreement should consult that document to determine if they are eligible. Contractors, leased workers and other service providers are not eligible to participate in the program.

RayzeBio and Bristol Myers Squibb

RayzeBio was acquired by Bristol Myers Squibb (BMS) in 2024 and is a wholly-owned subsidiary of BMS; however, RayzeBio will continue to operate as a standalone organization.

Supporting People with Disabilities

BMS and RayzeBio are dedicated to ensuring that people with disabilities can excel through a transparent recruitment process, reasonable workplace accommodations/adjustments and ongoing support in their roles. Applicants can request a reasonable workplace accommodation/adjustment prior to accepting a job offer. If you require reasonable accommodations/adjustments in completing this application, or in any part of the recruitment process, direct your inquiries to View email address on click.appcast.io . Visit careers.bms.com/ ( eeo-accessibility to access our complete Equal Employment Opportunity statement.

Candidate Rights

BMS and RayzeBio will consider for employment qualified applicants with arrest and conviction records, pursuant to applicable laws in your area.

If you live in or expect to work from Los Angeles County if hired for this position, please visit this page for important additional information:

Data Protection

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Any data processed in connection with role applications will be treated in accordance with applicable data privacy policies and regulations.

If you believe that the job posting is missing information required by local law or incorrect in any way, please contact BMS at View email address on click.appcast.io . Please provide the Job Title and Requisition number so we can review. Communications related to your application should not be sent to this email and you will not receive a response.

R1601622 : Associate Director, Biostatistics Company: BMS

Req Number: R1601622

Updated: 2026-07-02 06:15:39.082 UTC

Location: San Diego-CA

Bristol Myers Squibb is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, protected veteran status, pregnancy, citizenship, marital status, gender expression, genetic information, political affiliation, or any other characteristic protected by law.